255576481 has 2 divisors, whose sum is σ = 255576482. Its totient is φ = 255576480.

The previous prime is 255576457. The next prime is 255576511. The reversal of 255576481 is 184675552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201185856 + 54390625 = 14184^2 + 7375^2 .

It is a cyclic number.

It is not a de Polignac number, because 255576481 - 2¹¹ = 255574433 is a prime.

It is a super-2 number, since 2×255576481² = 130638675280686722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255576401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127788240 + 127788241.

It is an arithmetic number, because the mean of its divisors is an integer number (127788241).

Almost surely, 2^255576481 is an apocalyptic number.

It is an amenable number.

255576481 is a deficient number, since it is larger than the sum of its proper divisors (1).

255576481 is an equidigital number, since it uses as much as digits as its factorization.

255576481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 43.

The square root of 255576481 is about 15986.7595528300. The cubic root of 255576481 is about 634.6100741265.

The spelling of 255576481 in words is "two hundred fifty-five million, five hundred seventy-six thousand, four hundred eighty-one".